Twenty years after the 9/11 attacks, the Joe Biden administration has ended the “forever war” in Afghanistan, replacing US boots on the ground with an over-the-horizon counterterrorism capability. Africa, not the Middle East, has become the next frontier for groups such as al Qaeda and the Islamic State. What lessons should we take from past counterterrorism efforts to address today’s and tomorrow’s threats?

AEI and the Combating Terrorism Center at the US Military Academy at West Point host a discussion exploring the trajectory of the transnational terrorism threat and the successes and failures of the past two decades of counterterrorism operations.

Watch the full event here.